18896834

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{5471}}^1$

素因数の和:5641

約数の個数: 16

約数和(自身を含む): 31124736

約数和(自身を除く): 12227902

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 5471, 10942, 60181, 120362, 858947, 1717894, 9448417, 18896834]

約数ペア:

[(1, 18896834), (2, 9448417), (11, 1717894), (22, 858947), (157, 120362), (314, 60181), (1727, 10942), (3454, 5471)]